A combination of weather conditions may make it colder than usual across parts of the Central and Northern U.S. next week.

This dramatic-sounding phenomenon is a naturally occurring component of the Earth’s atmosphere that can play a huge role in ...

When a polar vortex or harsh winter weather is on its way, don't forget your feathered friends: They get cold and hungry like ...

Early-season stratospheric warming events spark hype around frigid temperatures. Learn the myths and the science about the ...

A significant change in the atmosphere means the weeks after Thanksgiving could be colder and snowier than normal across ...

The National Weather Service warns the "polar vortex" could bring "cooler than normal temperatures" across the Midwest the ...

It's been a warm autumn, so far. But the polar vortex is forecast to change unusually early, and that could impact your ...

The phrase "polar vortex" has captured public attention and is now often misused to describe short-term bouts of frigid ...

Over the next 10 days, scientists say, changes in the stratosphere will upend weather patterns and set the stage for a cold, snowy December across parts of the Northern Hemisphere.

For folks who long for cold, the weeks after Thanksgiving might just be a tease for some intense Arctic cold that could ...

A growing body of research indicates that polar vortexes are likely becoming more frequent due to the climate crisis.

As we look toward mid-December into January, the door is opening for some potentially significant winter weather.